Fix missing property

web/typo3conf/ext/ep_theme/Resources/Private/Assets/js/components/HotelList.vue

@@ -19,6 +19,10 @@
                 default () {
                     return [];
                 }
+            },
+            referringPage: {
+                type: Object,
+                default: null
             }
         },
         data () {